著者

石崎 雅也

出版者

社団法人 日本印刷学会

雑誌

日本印刷学会誌 (ISSN:09143319)

巻号頁・発行日

vol.50, no.3, pp.214-218, 2013 (Released:2013-07-15)

参考文献数

7

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One of the recent technology trends in paper for offset printing is reducing environmental impact. Methods include development of technology to utilize deinked pulp, improvement of the paper recycle ratio initiated by the Japan Paper Association, expansion of afforestation, utilization of wood resources from certificated forests, energy saving in manufacturing paper products, fuel conversion, etc. To promote utilization of deinked pulp, an ultraviolet (UV) breaker has been developed to remove UV ink and subliming ink in which a hyper-cell floatator is used to remove ink efficiently, and a de-sticking agent is in use to remove stickiness effectively. The target recycle ratio for paper in 2010 was 62%, and it was achieved in 2008. The goal for 2015 is 64%, which is thought to be difficult, and cooperation of the paper industry, consumers, and paper recyclers is needed. The area of afforestation is increasing yearly in the world to produce forest resources. Some of the wood chips are obtained from certificated forests which are managed sustainably. Black-liquor-containing wood components, waste timber, waste car tires, and waste plastics are being used to generate energy in order to reduce the consumption of fossil fuels in manufacturing.